Apps Like EngToolBox for iPhone and iPad
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.
EngToolBox screenshots
Ranked alternatives
Showing 501–520 of 1,000 ranked alternatives.
Scientific Calculator *
TOWER OF HANOI SOFTWARE COMPANY LIMITED
Calculate, convert, exchange, solve
Solve math problems with basic and complex calculations. Convert units and exchange currencies. Use fractions and square root functions. Perform calculations quickly and accurately.
Wireline-Calcs
Vadim Fattakhov
Calculate tension, track depth, determine pressure balance,
Calculate maximum safe tension, determine wellhead pressure balance, and find keyseat location. Compute cable elongation and pull limits at depth. Adjust lengths for temperature changes.
STAR-SEAL® Contractor Resource
Mowbol, LLC.
Access product info, calculators, and locate distributors
Access product information, technical data sheets, and MSDS/SDS documents for ® sealcoating products. Use calculators to estimate material needs. Locate manufacturing plants and distributors.
SciGraph Calculator
Jeffrey Yambao
Solve equations and graph functions
Solve complex equations with trigonometry, logarithms, powers, and factorials. Graph functions instantly in DEG/RAD mode. Switch between scientific and graphing modes. Store and recall equations. Export graphs and calculations.
John Cominio RPN Calculator
John Cominio
Calculate using RPN notation and scientific functions
Scientific with reverse polish notation. Perform square root, reciprocal, trigonometric functions, hyperbolic functions, and logarithms. Switch between degrees, radians, and gradians. Calculate factorials, exponents, and nth roots.
RPN Calculus
Thomas Braun
Scientific RPN calculator for iPad.
The app performs calculations with up to 15 digits of precision and supports a number range from -1E127 to 1E127. It includes a database of over 120 scientific constants that users can extend.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.