Change Log (last 20 versions) Version 3.5.2: added running total to Sci Calc / Basic (large screens only) - can be disabled in the Settings if required added option in the Settings to show history in landscape mode (large screens only) added 2 more date-time functions to the Time Calculator updated the Physical & Astronomical Constants values with the latest published values from NIST bug fixes Version 3.5.0: added argument function (arg) to complex numbers mode bug fixes Version 3.4.9: added option in the Settings to add more calculators to main menu bug fixes Version 3.4.8: added Cumulative Binomial Distribution to the list of functions added Pythagorean theorem to Quick Formulas added a Proportion Calculator to the Reference section bug fixes Version 3.4.7: added Data Transfer Rate to conversion categories bug fixes Version 3.4.6: added Indefinite Integral to Calculus mode added Moseley's Law, Charging a Capacitor, Discharging a Capacitor, Heron's Formula and Doppler Effect to Quick Formulas added a Roman Numeral Converter and a Body Mass Index (BMI) Calculator to the Reference section added Pauling Electronegativity to the Periodic Table added option to use linear interpolation in the interpolation calculator added option in the Settings to switch the ANS and DEL buttons added new layout theme (Traditional (Pastel)) Version 3.4.5: added an interpolation calculator to the Reference section bug fixes Version 3.4.4: added Calculus mode (Derivative, Definite Integral and Taylor Series) added Pol() and Rec() functions to the list of functions added Vector Mathematics to the Reference section added an option to show the text on the buttons in bold font bug fixes Version 3.4.3: added buttons to enable changing of the y:x ratio in standard mode of the graphing function added a button to enable an image of a graph in standard mode (including the table if shown) to be saved to the sdcard bug fixes Version 3.4.2: fixed bug in powers and roots, where exponent is a multiple of 10, inadvertently introduced in version 3.4.1 Version 3.4.1: added a pH calculator to the Reference section added the Henderson–Hasselbalch Equation to Quick Formulas grouped mathematical tables in the Reference section and added Trigonometric Tables and a Powers & Roots Table bug fixes Version 3.4.0: changed the app icon added Cumulative % Function to the list of functions added gaussian mirror equation and finance formulas (simple interest, compound interest, effective interest rate) to Quick Formulas added the ability to copy the result of a calculation to the clipboard by pressing the ANS button immediately after the "=" button has been pressed bug fixes Version 3.3.9: added Force, Radioactivity and Radiation Dose to conversion categories moved HCF and LCM to list of functions - replaced by buttons for ° ' " and FSE (change display format) added 4 new Holo themes to the list of screen layouts added a Fractional Bits Converter to the Reference section added an option to display the history in ascending order (oldest first) bug fixes Version 3.3.8: added statistics formulas to the Reference section added French and German translations - improved the Russian translation (Physical Laws and Constants) Version 3.3.7: bug fix in Functions list if choosing either Statistics Summary or Bessel Functions Version 3.3.6: added Δ% function to the list of functions added option to delay button vibration until after the data is entered added an alert message when the display format is changed by long pressing button 7 (can be disabled in the Settings if required) bug fixes Version 3.3.5: added elementary algebra and matrix algebra to the Reference section Version 3.3.4: added arithmetic and geometric progression to Quick Formulas added an option in the Settings to input roots first added EXP button to polynomial equations added rules for differentiation and integration to the Reference section enhancements to the ASCII converter bug fixes Version 3.3.3: separated the Help and Reference sections for easier navigation added Trigonometric Identities to the Reference section added a Russian translation bug fixes
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