Showing 21–40 of 1,000 ranked alternatives.
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.
An Truong
Calculate and graph mathematical expressions
Solve equations and graph functions with advanced math support. Perform calculus operations and matrix calculations. Customize settings for precision. Access detailed tutorials and a comprehensive user manual.
Masaki Horimoto
Michael Wesemann
Calculates with precision and style
The app provides a simple and intuitive interface for performing calculations. It supports multiple number systems and includes various conversion tools.
Wai Kwong Lee
Calculate with constants and memory
SFX- performs basic arithmetic operations and allows calculations with a fixed constant. It includes non-volatile and volatile memory storage. It supports fraction and percentage calculations, linear regression, and statistical functions.
TLA Systems Ltd.
Calculate, convert, and program with precision
Perform complex calculations with scientific, engineering, and hexadecimal modes. Use RPN and multi-line display. Convert units and access constants. Undo and redo actions. Sync with Apple Watch for on-the-go calculations.
yasuhiko nagahara
Add prefixes to contacts instantly
Add numbers to existing contacts without replacing original numbers. Create labeled contacts with added prefixes for international dialing. Backup contacts before making changes to ensure data security.
Nguyen Sang
Backup, restore, and manage contacts
Backup, restore, and import/export contacts via iCloud. Check and merge duplicates. Add or remove country codes. Format phone numbers. Delete all contacts. Export to Excel. Share contacts. Send SMS or email to selected contacts.
Cider Software LLC
Calculate with dual-line display and multi-line input
A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review previous entries.
Michael Horowitz
Convert text to and vice versa
Convert text, , hexadecimal, and custom base numbers to each other. Perform base conversions with a minimalistic interface. Learn how different number systems work through interactive conversion. Encode messages in for fun or practical use.
Sarah Ragab
Convert measurements with precision and ease
Convert decimals to fractions and vice versa. Display equations and results simultaneously. Edit calculations easily. Add to Today Screen for quick access. Ideal for , woodworking, and homework verification.
Unicom TOV
Track speed and distance offline
GPS speedometer displays real-time speed for driving, biking, or walking. Measure trip distance offline. Track altitude for planes. Switch between mph, km/h, and knots. Use Today Widget or Apple Watch. Adjust screen color and toggle mirror .
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