Statistics Calculator+++ 與 RPN-97 Pro 使用情況與統計
Statistics Calculator+++ is a scientific calculator with statistical, regression analysis, probability distributions, confidence intervals, and hypothesis tests capabilities.
In designing the statistics functions of this app we had one thing in mind: The user should not need to read a single line of manual to perform the statistical analysis.
Simply use Add X, Add Y, and Add f buttons to enter the elements of the lists and frequencies, if any, and you are done. All the statistics and regression models are only a few taps and swipes away. Tap the List button to see the lists entered. The elements of the lists are interpreted independently (as two separate lists) and jointly for regression analysis (if the size of the lists are equal). You can also take advantage of a new import feature to bring in your data from Microsoft Excel or Apple Numbers by first converting them into .csv format.
Statistics measure and plots:
- Sum, mean, population standard deviation, sample standard deviation, sample variance, sum of squares, min, max, quartiles, and sum of multiplications of two lists are .
- Box and whiskers plot, histogram of the data, linear, area, scatter plot, and moving average.
Regression:
- Linear, logarithmic, exponential, power, and quadratic regressions. An extremely simple and intuitive user interface to choose the regression model and calculate predictions for x and y values and view residuals and residual sum of squares. It also graphs the regression model and how it fits around the data entered.
You have the capability to save multiple lists of data and use any of them as list X, list Y, or list f. Access Lists Editor feature by tapping the icon on top right of the Statistics Lists view. Furthermore, all these lists persist in the memory. Therefore, if you close and the relaunch the app the lists are there for you.
Normal distribution functionality of TI-83/TI-84 (normalpdf, normalcdf, invNorm, ShadeNorm), Student's t-distribution (tpdf, tcdf, invT), Chi-Squared distribution, F distribution, Binomial distribution (binompdf, binomcdf), Poisson distribution (poissonpdf, poissoncdf), and Geometric distribution (geometpdf, geometcdf) are all possible with this app with an easy to use, and beautiful user interface. In addition you have Beta and Gamma Distributions.
Confidence interval calculation and step by step explanation for "One Population Proportion", "Difference in Two Population Proportions", "Population Mean", and "Difference in Population Means".
Hypothesis test for "Population Proportion", "Difference in Two Population Proportions", "Population Mean" and "Population Mean Difference" with known and unknown population standard deviations.
Other major features of Statistics Calculator+++ are:
- The left pane scrolls to reveal more functionality without a need to switch modes.
- You see the expression as you enter and it keeps a history of your calculations
- Capability of performing fraction manipulations and converting between different formats (proper, improper, and mixed fractions) and seamless integration of fraction, integer, and decimal manipulations.
- Capability of inputting degrees, minutes, and seconds for angles and converting between degrees-minutes-seconds format and decimal format.
- Capability of calculating permutation, combination, Least Common Multiple (LCM), Greatest Common Divisor (GCD), and prime factorization.
- Quadratic and system of two linear equations solver
- Rectangular to polar and polar to rectangular coordinate conversion (extremely useful for phasor calculations for electrical engineers)
- Throws a set of dice (choice of 1 die to 4 dice)
- Backspace to delete last digit entered.
This is an ongoing project and we are working on more features and functions to be added to every update of the app.
You are going to love the simplicity of the user interface and yet have the powerful functionality with which Statistics Calculator+++ is loaded.
- Apple App Store
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A dream calculator of the 70's, priced at $3,200 in today's dollars, now affordable for everyone!
RPN-97 Pro is the first complete simulation of Hewlett-Packard's legendary HP-97 programmable calculator for iOS. Produced from 1976 to 1984, the HP-97's features coupled with its capability to store programs on magnetic cards made it a huge success among scientists, engineers and other professionals. Thousands of programs were written for it. Now you can run them right on your iPad, with more ease and faster than ever before. To get you started quickly, download hundreds of program cards from our website for free.
What users said:
“The most delightful app I possess. The magnet card reader emulation rocks. Would have paid much more for this."
"As the owner of an actual working HP 97 calculator, I am blown away with this new simulator. Simply fabulous."
"Whoever coded this my hat goes off to you - what a professional piece of work, incredible app."
RPN-97 Pro is fully compatible with RPN-67 Pro, its companion simulator of the HP-67 calculator.
Features:
• Virtual program and data cards
• Virtual paper tape printer
• Powerful database-driven card manager
• Create, label, and organize a virtually unlimited number of cards
• Use iTunes to effortlessly save entire card collections on your Mac/PC
• Sharing: e-mail, AirDrop, Dropbox, copy, paste, print
• Formatted listing clearly showing labels and targets of branches
• E-mail listings and let the recipient paste the text right into RPN-97
• Print listings on any AirPrint-compatible printer
• Program listing on paper tape shows subroutine nesting
• Edit paper tape
• E-mail paper tape, or print it via AirPrint
• Cut/copy/paste displayed value or program steps
• Paste HP-67 or HP-97 listings from other sources into RPN-97 and run them
• "Live" display of stack, memory registers, program counter, flags
• Show program usage notes
• 30 selectable background images, even add your own
• Much faster than a real HP-97
• Low-battery indicator (iPad charge 10% or less)
• Compatible with RPN-67 Pro and RPN-67 SD, CuVee Software's HP-67 simulators
• Supports hardware keyboard
While RPN-97 Pro can work exactly like a real HP-97, changing a simple setting will turn the app into a super-charged HP-97:
• Up to 999 program steps, 8 subroutine levels, 6 additional flags (F4...F9)
• 100 additional registers
• 100 additional labels
• 100 built-in constants and conversions
• More than 150 additional powerful operations and functions
Plus:
• 15 commands to print and manipulate any range of extended registers
• Unrestricted register arithmetic
• Exchange x with any register
• Complex numbers mode, hyperbolic functions
• Non-volatile memory - stack, registers, program, flags, paper tape
• Status indicators for prefix keys (EXT, f, LBL, GTO, etc.)
• Display showing thousands separators (optional)
• Text output on paper tape in 10 colors, even simple plotting
• Stack-of-stack: push/pop the entire stack on internal stack (4 levels)
• Single-step into subroutines (optional)
• Powerful debugging aids, including 10 breakpoints with counters
• Keycodes translated to command name while entering or single-stepping a program
• Change the duration of the PAUSE command
• Cancel SST or BST operation by simply sliding your finger off the depressed key
• Compress constants in programs into a single step (reversible)
• Use existing programs in text format by a simple paste operation
RPN-97 Pro comes with more than 130 programs pre-installed, including HP Standard Pac, HP Business Decisions Pac, HP Math Pac I, HP Stat Pac I, and HP Surveying Pac I.
The simulator has been verified to correctly run the examples given in HP Civil Engineering Pac I, HP Clinical Lab Pac, HP E.E. Pac I, HP Games Pac I, HP M.E. Pac I, HP Navigation Pac I, as well as large number of programs published in Users' Library Solutions.
For more information and free program downloads visit the RPN-97/67 website: cuveesoft.ch/rpn67
- Apple App Store
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- 公共設施
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Statistics Calculator+++ VS. 
RPN-97 Pro1月 12, 2025