Skip to content

Feat: Digital data converter with binary and decimal units #262

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
MakarovSoftware wants to merge 3 commits into
base: main
Choose a base branch
from
Open

Feat: Digital data converter with binary and decimal units #262

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
3b75ca9
Added digital data converter with binary and decimal units
MakarovSoftware Mar 19, 2026
859fc7b
CHANGELOG.md updated
MakarovSoftware Mar 19, 2026
d3cd235
pr fail fix: moved magic numbers to a constant values.
MakarovSoftware Mar 19, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions CHANGELOG.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]
### Added
- Added digital data converter with binary and decimal units

## [1.4.0] - 2026-01-30
### Added
Expand Down
3 changes: 2 additions & 1 deletion app/src/main/kotlin/org/fossify/math/helpers/converters/Base.kt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,8 @@ interface Converter {
TimeConverter,
SpeedConverter,
PressureConverter,
EnergyConverter
EnergyConverter,
DataConverter
)
}

Expand Down
216 changes: 216 additions & 0 deletions app/src/main/kotlin/org/fossify/math/helpers/converters/DataConverter.kt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,216 @@
package org.fossify.math.helpers.converters

import org.fossify.math.R
import java.math.BigDecimal

object DataConverter : Converter {
override val nameResId: Int = R.string.unit_data
override val imageResId: Int = R.drawable.ic_data_vector
override val key: String = "DataConverter"

private val BITS_IN_BYTE = BigDecimal("8")
private val KILO = BigDecimal("1000")
private val KIBI = BigDecimal("1024")

private const val EXPONENT_2 = 2
private const val EXPONENT_3 = 3
private const val EXPONENT_4 = 4
private const val EXPONENT_5 = 5

sealed class Unit(nameResId: Int, symbolResId: Int, factor: BigDecimal, key: String) :
Converter.Unit(nameResId, symbolResId, factor, key) {
data object Bit : Unit(
nameResId = R.string.unit_data_bit,
symbolResId = R.string.unit_data_bit_symbol,
factor = BigDecimal.ONE,
key = "Bit"
)

data object Nibble : Unit(
nameResId = R.string.unit_data_nibble,
symbolResId = R.string.unit_data_nibble_symbol,
factor = BigDecimal("4"),
key = "Nibble"
)

data object Byte : Unit(
nameResId = R.string.unit_data_byte,
symbolResId = R.string.unit_data_byte_symbol,
factor = BITS_IN_BYTE,
key = "Byte"
)

// Decimal Bits (1000^n)
data object Kilobit : Unit(
nameResId = R.string.unit_data_kilobit,
symbolResId = R.string.unit_data_kilobit_symbol,
factor = KILO,
key = "Kilobit"
)

data object Megabit : Unit(
nameResId = R.string.unit_data_megabit,
symbolResId = R.string.unit_data_megabit_symbol,
factor = KILO.pow(EXPONENT_2),
key = "Megabit"
)

data object Gigabit : Unit(
nameResId = R.string.unit_data_gigabit,
symbolResId = R.string.unit_data_gigabit_symbol,
factor = KILO.pow(EXPONENT_3),
key = "Gigabit"
)

data object Terabit : Unit(
nameResId = R.string.unit_data_terabit,
symbolResId = R.string.unit_data_terabit_symbol,
factor = KILO.pow(EXPONENT_4),
key = "Terabit"
)

data object Petabit : Unit(
nameResId = R.string.unit_data_petabit,
symbolResId = R.string.unit_data_petabit_symbol,
factor = KILO.pow(EXPONENT_5),
key = "Petabit"
)

// Binary Bits (1024^n)
data object Kibibit : Unit(
nameResId = R.string.unit_data_kibibit,
symbolResId = R.string.unit_data_kibibit_symbol,
factor = KIBI,
key = "Kibibit"
)

data object Mebibit : Unit(
nameResId = R.string.unit_data_mebibit,
symbolResId = R.string.unit_data_mebibit_symbol,
factor = KIBI.pow(EXPONENT_2),
key = "Mebibit"
)

data object Gibibit : Unit(
nameResId = R.string.unit_data_gibibit,
symbolResId = R.string.unit_data_gibibit_symbol,
factor = KIBI.pow(EXPONENT_3),
key = "Gibibit"
)

data object Tebibit : Unit(
nameResId = R.string.unit_data_tebibit,
symbolResId = R.string.unit_data_tebibit_symbol,
factor = KIBI.pow(EXPONENT_4),
key = "Tebibit"
)

data object Pebibit : Unit(
nameResId = R.string.unit_data_pebibit,
symbolResId = R.string.unit_data_pebibit_symbol,
factor = KIBI.pow(EXPONENT_5),
key = "Pebibit"
)

// Decimal Bytes (8 * 1000^n)
data object Kilobyte : Unit(
nameResId = R.string.unit_data_kilobyte,
symbolResId = R.string.unit_data_kilobyte_symbol,
factor = BITS_IN_BYTE.multiply(KILO),
key = "Kilobyte"
)

data object Megabyte : Unit(
nameResId = R.string.unit_data_megabyte,
symbolResId = R.string.unit_data_megabyte_symbol,
factor = BITS_IN_BYTE.multiply(KILO.pow(EXPONENT_2)),
key = "Megabyte"
)

data object Gigabyte : Unit(
nameResId = R.string.unit_data_gigabyte,
symbolResId = R.string.unit_data_gigabyte_symbol,
factor = BITS_IN_BYTE.multiply(KILO.pow(EXPONENT_3)),
key = "Gigabyte"
)

data object Terabyte : Unit(
nameResId = R.string.unit_data_terabyte,
symbolResId = R.string.unit_data_terabyte_symbol,
factor = BITS_IN_BYTE.multiply(KILO.pow(EXPONENT_4)),
key = "Terabyte"
)

data object Petabyte : Unit(
nameResId = R.string.unit_data_petabyte,
symbolResId = R.string.unit_data_petabyte_symbol,
factor = BITS_IN_BYTE.multiply(KILO.pow(EXPONENT_5)),
key = "Petabyte"
)

// Binary Bytes (8 * 1024^n)
data object Kibibyte : Unit(
nameResId = R.string.unit_data_kibibyte,
symbolResId = R.string.unit_data_kibibyte_symbol,
factor = BITS_IN_BYTE.multiply(KIBI),
key = "Kibibyte"
)

data object Mebibyte : Unit(
nameResId = R.string.unit_data_mebibyte,
symbolResId = R.string.unit_data_mebibyte_symbol,
factor = BITS_IN_BYTE.multiply(KIBI.pow(EXPONENT_2)),
key = "Mebibyte"
)

data object Gibibyte : Unit(
nameResId = R.string.unit_data_gibibyte,
symbolResId = R.string.unit_data_gibibyte_symbol,
factor = BITS_IN_BYTE.multiply(KIBI.pow(EXPONENT_3)),
key = "Gibibyte"
)

data object Tebibyte : Unit(
nameResId = R.string.unit_data_tebibyte,
symbolResId = R.string.unit_data_tebibyte_symbol,
factor = BITS_IN_BYTE.multiply(KIBI.pow(EXPONENT_4)),
key = "Tebibyte"
)

data object Pebibyte : Unit(
nameResId = R.string.unit_data_pebibyte,
symbolResId = R.string.unit_data_pebibyte_symbol,
factor = BITS_IN_BYTE.multiply(KIBI.pow(EXPONENT_5)),
key = "Pebibyte"
)
}

override val units: List<Unit> = listOf(
Unit.Bit,
Unit.Nibble,
Unit.Byte,
Unit.Kilobit,
Unit.Kibibit,
Unit.Megabit,
Unit.Mebibit,
Unit.Gigabit,
Unit.Gibibit,
Unit.Terabit,
Unit.Tebibit,
Unit.Petabit,
Unit.Pebibit,
Unit.Kilobyte,
Unit.Kibibyte,
Unit.Megabyte,
Unit.Mebibyte,
Unit.Gigabyte,
Unit.Gibibyte,
Unit.Terabyte,
Unit.Tebibyte,
Unit.Petabyte,
Unit.Pebibyte,
)

override val defaultTopUnit: Unit = Unit.Kilobyte
override val defaultBottomUnit: Unit = Unit.Byte
}
3 changes: 3 additions & 0 deletions app/src/main/res/drawable/ic_data_vector.xml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="24dp" android:height="24dp" android:viewportWidth="6.35" android:viewportHeight="6.35">
<path android:fillColor="@android:color/white" android:pathData="m3.1864,0.0113c-0.6046,0 -1.2568,0.0897 -1.7724,0.2954C1.1563,0.4095 0.93,0.5416 0.7641,0.7146 0.5979,0.8879 0.4935,1.1069 0.4935,1.3568v3.6154c0,0.2576 0.1045,0.482 0.2706,0.6594 0.1658,0.1771 0.3916,0.3119 0.6499,0.4155 0.5165,0.2071 1.1688,0.2916 1.7724,0.2916 0.6037,0 1.2496,-0.0843 1.761,-0.2916C5.2032,5.9434 5.426,5.8088 5.5897,5.6316 5.7537,5.454 5.8565,5.2292 5.8565,4.9722v-3.6154c0,-0.2487 -0.1028,-0.4671 -0.2668,-0.6404C5.4259,0.5435 5.2025,0.4117 4.9474,0.3086 4.437,0.1023 3.7912,0.0113 3.1864,0.0113ZM3.1864,0.5278c0.8267,0 1.3793,0.1483 1.7172,0.3164 0.1689,0.084 0.2834,0.1729 0.3526,0.2478 0.0681,0.0737 0.0858,0.1477 0.0858,0.1429 0,-0.0048 -0.0173,0.0668 -0.0858,0.141C5.187,1.4508 5.0725,1.5395 4.9036,1.6237 4.5658,1.7918 4.0131,1.94 3.1864,1.94 2.3598,1.94 1.807,1.7918 1.4693,1.6237 1.3002,1.5394 1.1834,1.4503 1.1148,1.3759 1.0468,1.3022 1.0309,1.2327 1.0309,1.2349c0,0.0021 0.0163,-0.0697 0.0839,-0.1429C1.1835,1.0176 1.3002,0.9283 1.4693,0.8442 1.807,0.6761 2.3598,0.5278 3.1864,0.5278ZM1.01,1.9381c0.0011,0.0008 0.0008,0.0011 0.0019,0.0019 0.0717,0.0504 0.1749,0.111 0.3335,0.1811 0.3835,0.1695 0.9819,0.3354 1.841,0.3354 0.8592,0 1.4556,-0.166 1.8391,-0.3354 0.1583,-0.0699 0.2618,-0.1307 0.3335,-0.1811 0.0011,-0.0008 0.0008,-0.0011 0.0019,-0.0019v0.5279c0,0.0295 -0.023,0.1018 -0.0934,0.1849C5.1973,2.7339 5.0817,2.8305 4.9113,2.9177 4.5823,3.086 3.7708,3.2379 3.1865,3.2379 2.6021,3.2379 1.7905,3.0861 1.4617,2.9177 1.2913,2.8304 1.1762,2.7341 1.1053,2.6509 1.0343,2.5677 1.01,2.4947 1.01,2.466ZM1.01,3.236c0.0011,0.0008 0.0008,0.0011 0.0019,0.0019 0.0717,0.0504 0.1749,0.111 0.3335,0.1811 0.3835,0.1695 0.9819,0.3354 1.841,0.3354 0.8592,0 1.4556,-0.166 1.8391,-0.3354 0.1583,-0.0699 0.2618,-0.1307 0.3335,-0.1811 0.0011,-0.0008 0.0008,-0.0011 0.0019,-0.0019v0.5279c0,0.0295 -0.023,0.1018 -0.0934,0.1849 -0.0704,0.083 -0.186,0.1796 -0.3564,0.2668C4.5697,4.3904 4.0133,4.5358 3.1865,4.5358 2.3597,4.5358 1.8031,4.3905 1.4617,4.2156 1.2913,4.1283 1.1762,4.032 1.1053,3.9488 1.0343,3.8656 1.01,3.7925 1.01,3.7639ZM1.01,4.5243c0.0011,0.0008 0.0008,0.0011 0.0019,0.0019 0.0717,0.0504 0.1749,0.111 0.3335,0.1811 0.3835,0.1695 0.9819,0.3354 1.841,0.3354 0.8592,0 1.4556,-0.166 1.8391,-0.3354 0.1583,-0.0699 0.2618,-0.1307 0.3335,-0.1811 0.0011,-0.0008 0.0008,-0.0011 0.0019,-0.0019v0.5279c0,0.0295 -0.023,0.1018 -0.0934,0.1849 -0.0704,0.083 -0.186,0.1796 -0.3564,0.2668 -0.3415,0.1748 -0.898,0.3202 -1.7248,0.3202 -0.8268,0 -1.3834,-0.1453 -1.7248,-0.3202C1.2913,5.4166 1.1762,5.3203 1.1053,5.2371 1.0343,5.1539 1.01,5.0809 1.01,5.0522Z"/>
</vector>
24 changes: 24 additions & 0 deletions app/src/main/res/values/donottranslate.xml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -120,4 +120,28 @@
<string name="unit_energy_therm_symbol">thm</string>
<string name="unit_energy_foot_pound_symbol">ft⋅lbf</string>
<string name="unit_energy_erg_symbol">erg</string>

<string name="unit_data_bit_symbol">b</string>
<string name="unit_data_nibble_symbol">nib</string>
<string name="unit_data_byte_symbol">B</string>
<string name="unit_data_kilobit_symbol">kb</string>
<string name="unit_data_kibibit_symbol">Kib</string>
<string name="unit_data_megabit_symbol">Mb</string>
<string name="unit_data_mebibit_symbol">Mib</string>
<string name="unit_data_gigabit_symbol">Gb</string>
<string name="unit_data_gibibit_symbol">Gib</string>
<string name="unit_data_terabit_symbol">Tb</string>
<string name="unit_data_tebibit_symbol">Tib</string>
<string name="unit_data_petabit_symbol">Pb</string>
<string name="unit_data_pebibit_symbol">Pib</string>
<string name="unit_data_kilobyte_symbol">kB</string>
<string name="unit_data_kibibyte_symbol">KiB</string>
<string name="unit_data_megabyte_symbol">MB</string>
<string name="unit_data_mebibyte_symbol">MiB</string>
<string name="unit_data_gigabyte_symbol">GB</string>
<string name="unit_data_gibibyte_symbol">GiB</string>
<string name="unit_data_terabyte_symbol">TB</string>
<string name="unit_data_tebibyte_symbol">TiB</string>
<string name="unit_data_petabyte_symbol">PB</string>
<string name="unit_data_pebibyte_symbol">PiB</string>
</resources>
25 changes: 25 additions & 0 deletions app/src/main/res/values/strings.xml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -144,6 +144,31 @@
<string name="unit_energy_foot_pound">Foot-pound</string>
<string name="unit_energy_erg">Erg</string>

<string name="unit_data">Data</string>
<string name="unit_data_bit">Bit</string>
<string name="unit_data_nibble">Nibble</string>
<string name="unit_data_byte">Byte</string>
<string name="unit_data_kilobit">Kilobit</string>
<string name="unit_data_kibibit">Kibibit</string>
<string name="unit_data_megabit">Megabit</string>
<string name="unit_data_mebibit">Mebibit</string>
<string name="unit_data_gigabit">Gigabit</string>
<string name="unit_data_gibibit">Gibibit</string>
<string name="unit_data_terabit">Terabit</string>
<string name="unit_data_tebibit">Tebibit</string>
<string name="unit_data_petabit">Petabit</string>
<string name="unit_data_pebibit">Pebibit</string>
<string name="unit_data_kilobyte">Kilobyte</string>
<string name="unit_data_kibibyte">Kibibyte</string>
<string name="unit_data_megabyte">Megabyte</string>
<string name="unit_data_mebibyte">Mebibyte</string>
<string name="unit_data_gigabyte">Gigabyte</string>
<string name="unit_data_gibibyte">Gibibyte</string>
<string name="unit_data_terabyte">Terabyte</string>
<string name="unit_data_tebibyte">Tebibyte</string>
<string name="unit_data_petabyte">Petabyte</string>
<string name="unit_data_pebibyte">Pebibyte</string>

<!-- FAQ -->
<string name="faq_1_title">How does the C (Clear) button work?</string>
<string name="faq_1_text">Tapping on it will remove one character at a time. Long pressing it will reset all fields at once.</string>
Expand Down
Loading