Apps Like RPN-45 HD for iPhone and iPad
Calculate like a scientific calculator
Simulate the HP-45 scientific calculator with photo-realistic visuals and animated keys. Perform all original functions and operations. Access a secret timer for 12-hour or 100-hour intervals. Switch to Super-45 mode for enhanced capabilities.
RPN-45 HD screenshots
Ranked alternatives
Showing 121–140 of 1,000 ranked alternatives.
Quick Graph
KZ Labs SAS
, solve, and visualize equations
Enter and edit equations in mathematical notation. Visualize 2D and 3D graphs of explicit, implicit, and inequality equations. Adjust settings for display and analysis. Save and share calculations.
Calculator # Converter
CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC
Calculations made simpler than ever before.
The app offers a scientific calculator with over 800 formulas. It includes currency and unit converters, date and time functions, and finance tools.
ACalc - Scientific Calculator
Netviking AB
Calculate with trigonometric and exponential functions
Store values by pressing "STO" and selecting a memory slot. Perform basic arithmetic and advanced mathematical functions including sine, cosine, logarithm, and exponential.
Simple Clock - Study With Me
乃君 黄
Set time, start timer, track progress
A displays time, date, and weekday. It includes countdown, timing, and tomato timer functions. Users can choose themes, fonts, and custom backgrounds.
Panecal Plus Sci. Calculator
Noriyasu Kutsuzawa
Edit formulas with cursor and swipe.
The app allows users to enter and modify formulas while checking them, preventing errors. It provides a history of formulas and answers, supporting various number systems and memory functions for calculations.
Scientific++
Behzad Dogahe
Scientific calculations with added functionality.
The app shows expressions as users enter them and keeps a history of calculations. It performs fraction and angle conversions, solves equations, and converts between coordinate systems.
CPU Detector - Hardware Info
楠 夏
Query CPU frequency and sensor data
Monitor CPU model, memory usage, and battery health in real-time. Check device specifications, storage details, and sensor data. View CPU frequency and RAM usage metrics. Track device performance and system resources without jailbreaking.
Calculator XL
Gero Mazza
Calculate, convert, and track expenses
Perform basic and advanced calculations with large, illuminated buttons. Use the scientific for 30 functions. Convert units, calculate loans, and determine tips. Includes standard, scientific, unit converter, loan, and tip calculators.
Converter and Calculator
Cider Software LLC
Convert units and currencies instantly
A and unit/currency with a clean interface. Convert between 500 units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.
Math Problem Solver ∞
An Truong
Solve problems instantly
Solve problems by scanning equations or handwritten input. Receive step-by-step solutions and detailed explanations. View graphs and additional information. Complete homework and track progress.
Acute Calculator
Find App, Inc.
Edit equations with visual tools
Edit mathematical expressions with a visual interface. Perform 30+ functions including calculus and algebra. Use an intuitive color-coded palette. Access a history log for past calculations. Save variables for future use.
Adding Tape Printing Calculator with virtual tape
Joe Fratianni
Add, subtract, multiply, divide
Add, subtract, multiply, and divide numbers up to five decimal places. Maintain a running total and view a scrollable . Copy or paste numbers by touching and holding the display area.
Graphing Calculator
Sarah Ragab
Six calculators in one app.
The app offers six calculator types including graphing, handwriting, and scientific functions. It displays equations and results simultaneously, supporting equation solving and graph plotting.
Calc Pro - The Top Calculator
Panoramic Software Inc.
Calculate and manage your finances
Perform complex calculations using ten built-in calculators. Access ten financial worksheets for budgeting, loans, and investments. Input formulas, view results, and save calculations. Export data as PDF or text. Switch between light and dark modes.
Time Calculator ×
DOUBLE U s.r.o.
Calculate with precision and ease
Perform -based calculations with addition, subtraction, multiplication, and division. Input and display in days, hours, minutes, and seconds. Customize format preferences. Convert between different units.
Good Grapher - scientific graphing calculator
Iurii Mozharovskyi
Graph functions and solve equations
With history tape, real and complex number support, angle modes including radians and degrees. Features constants, unit conversions, and capabilities for equations and functions.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.