Paper Calc Office
Richard Silverman
Review, email, and timestamp entries
Calculator with large keys and 4 basic functions for use. Review entries using tape, add comments, timestamp, and email numbers. Bring past entries into current calculations.
Calculate with advanced scientific functions
Perform complex calculations with support for hexadecimal, octal, and binary. Use RPN mode and multi-line display. Access unit conversions, constants, and scientific notation. View a paper tape and use multiple undo/redo functions.
Showing 181–200 of 1,000 ranked alternatives.
Richard Silverman
Review, email, and timestamp entries
Calculator with large keys and 4 basic functions for use. Review entries using tape, add comments, timestamp, and email numbers. Bring past entries into current calculations.
Rajendran Sajith Sajindran
Convert with precision and speed
Convert across 20 categories including length, weight, temperature, and more. Perform real-time conversions with 8-decimal precision. Switch between metric and imperial systems. Use scientific notation and dark mode.
Cheng Cheng
Convert units and track conversions
Convert units for weight, length, temperature, volume, area, speed, and time. Access size charts for clothing and accessories. Perform everyday conversions like cooking measurements and tyre pressure.
Vector 254 LLC
Convert units, calculate formulas, track reactions
Calculate reactions with built-in equations and thermodynamic data. Convert units for pressure, temperature, and concentration. Solve material and energy balance problems. Access property tables for gases and liquids.
Felix Meier
Calculator for software engineers using RPN.
The app uses RPN (Reverse Polish Notation) as an input scheme. It is based on a four level stack model featuring X, Y, Z, and T registers.
Mert Can Kus
Save formulas, enter variables, calculate results
Allows users to save formulas for repeated use. Enter variables to recalculate results without rewriting formulas. Supports trigonometric functions, logarithms, factorials, and permutations. View saved formulas and variables for easy access.
Antonio Ruffolo
Calculate, edit, and track numbers
A calculator with Basic and Scientific modes supports numbers and trigonometric functions. Perform quick calculations, access advanced operations, and view computation history. Generate random numbers with uniform distribution.
Axonic Labs LLC
Convert units and currencies instantly
Convert units and currencies with quick searches and customizable favorites. Access essential conversions with a sleek interface. Set preferred units and categories for easy access. Perform fast conversions without additional steps.
Below 43 Limited
Paste text
Write and organize text with a minimalist interface. Record appointments and paste code snippets. Use scratchpad features for notes and ideas. Enable undo/redo via shaking. Access lights off mode with swipe gestures.
EIMEAR BYRNE
, edit, and save drawings
Create and edit digital drawings with freehand sketching and customizable brushes. Choose from a wide range of pencils, markers, and color options. Manage layers for complex artwork. Use unlimited undo and redo functions to refine your work.
Paul Koomey
Calculate, copy, and share expressions
Calculation allows users to perform scientific computations with trigonometric and inverse trigonometric functions. Users can toggle between degree and radian modes. Expressions and results can be copied with a double tap.
Leszek Szary
View animated hex code in real time
Display time in animated hexadecimal code with continuously moving values. Customize colors and themes. Set alarms and timers with visual feedback. Sync with other devices for shared timekeeping.
Willy Kunz
Calculate with scientific precision and enhanced functions
Simulate the HP-45 scientific calculator with photo-realistic visuals and original LED or LCD display. Print calculations, animate keys with sound and feedback, and replicate the calculator's computation times.
Akash Pulinthanathu
Practice problems and track progress
Practice arithmetic operations, exponents, and equations with randomly generated problems. Solve mixed operations, work with scientific notation, and calculate roots. Track progress and review solutions for each problem.
FugaPiyo Inc.
Write, erase, and share notes
Write directly on the screen with smooth ink and customizable pen settings. Redo and undo actions are available. Delete all content with one tap. Share or save as an image. Use eraser and ruler tools. Dark mode is supported. All features are free.
James Preston
Calculate in any number base
An RPN calculator with stack display and base conversion. Users can switch between binary, octal, decimal, and hexadecimal modes. Each stack element can be viewed in any base or as ASCII.
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