Calculate and date differences
Perform and date calculations by adding, subtracting, or converting hours and dates. Display results in different formats. Set reminders for specific times or dates. Share results via copy-paste or email.
Showing 801–820 of 1,000 ranked alternatives.
Ankit Seth
Calculate age in years, months, days, hours,
Enter a of to calculate age in years, months, days, hours, minutes, and seconds. View real-time updates of seconds alive. Receive fun facts about milestones like the 10,000th day alive. Sync with calendar for event reminders.
Andrew Hall
Learn slide rule calculations with precision.
The app offers a classic slide rule experience with precision and educational features. Users can learn calculations through an auto-slide-rule mode and select from 19 basic operations, including multiplication, division, powers, and logarithms.
Klaus Faber AG
Calculate diameters quickly
Calculate diameters based on electrical power, voltage, and current. Input parameters to determine required size. Access calculation formulas and reference tables. Export results for documentation.
Elemental Tools GmbH
Modern calculator for menu bar.
The app offers a modern calculator with a menu bar interface for quick access. It supports natural percentage calculations, calendar functions, and stores calculation history.
Sandeep Kelkar
View dates, set reminders, check panchang
View Panchang details with one-click date selection. Check public holidays and favorable marriage dates monthly. Browse events and set reminders for important dates.
Dhara Hingu
Track grades and calculate GPA
Calculate weighted and unweighted GPA for individual courses. Track cumulative and semester grades. Convert between 4.0, 5.0, and other grading systems. Estimate future semester results based on current performance.
Tan Chia Ling
Calculate rainwater harvest, savings, and tank size
Calculate annual rainwater harvest in liters or gallons using catchment area and depth. Input units can be customized with decimal precision. Copy results to other apps and access formula references for accurate calculations.
Elemental Tools GmbH
Smart modern elegant calculator app
The app offers a modern and elegant calculator experience with easy calculation entry and a clear history. It includes built-in calendar functions and supports natural percentage calculations.
Evan Sunley James
Add GST to any number instantly
Calculate GST amounts for New Zealand transactions. Add or remove 15% from a number to see total or pre-GST values. Double-tap to copy results to clipboard.
Alventir Ltd
Calculate, link, and track values
Perform calculations with labeled numbers and visual connections. Edit expressions by dragging results or extracting sub-expressions. Automatically update linked values and view calculation history in real-time.
oskari saarinen
Calculate for net or gross values
Calculate for net or gross values by adding or subtracting. Adjust tax rates and view results instantly. Open as a menu bar or separate window for quick access.
Trond Rossvoll
HVAC calculations for building energy use.
The app performs HVAC calculations for building energy use. It helps users calculate SFP, temperature efficiency, air velocity, duct dimensions, and pressure drop.
General Studios Ltd
Create invoices in seconds
Create professional invoices with customizable templates. Add item details including descriptions, quantities, and prices. Generate PDFs and share via email or messaging. Automatically generate numbers and dates.
zhandos uakanov
Calculate flow rates and hydraulic horsepower
Calculate minimum flow rates, bit hydraulic horsepower, jet impact force, and nozzle velocity. Input bit size, pressure drop, fluid density, and flow rate. View detailed results and formulas. Save and export calculations.
Shun Isayama
Calculate interest instantly
Calculate interest with precise results. Input principal, monthly contribution, annual rate, and years to compute accumulation. Display results instantly with clear visual output. Track growth over time with detailed breakdowns.
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