Learn, track, and secure notes
Multi-purpose calculators for basic math and advanced engineering functions. Track stress with a secure journal using Keychain security. Access all features offline. Store data locally with no cloud syncing. Set a PIN for journal access.
Showing 461–480 of 1,000 ranked alternatives.
Henrique Chelotti Duarte
Calculate flight time and block time
Block Time Calculator instantly computes block time in hours, minutes, and decimal format. Automatic Night Time Calculation determines night flight duration using accurate sunrise and sunset data.
Measure Square Corp.
Calculate materials for rooms and surfaces
Calculate material needs for flooring, walls, and ceilings. Draw rectangles or L-shapes to measure spaces. Account for installation standards like seams and tile centering. Estimate product usage based on real layouts.
Keita Nonaka
Calculate large numbers precisely
Perform complex mathematical calculations with up to 15 digits of decimal precision. Handle large numbers without ellipsis. Save and reuse calculation equations. Access calculation history even after closing the .
Daniel Connell
Count up or down with a tap
Count up or down in increments of 1, 10, or 100 with a single tap. Perform complex calculations using the built-in calculator. Track counts and view history for accuracy and reference.
Polemics Applications LLC
Calculate test scores and track progress
Calculate Army Combat Fitness Test scores with a built-in . Input test results to get detailed scores. Save scores for records or diagnostics. Take notes using the journal tool. Share results via text or email.
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