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General Chemistry Vs. Mathematics with PocketCAS Pro

General Chemistry vs Mathematics with PocketCAS Pro Usage & Stats

General Chemistry provides the most essential chemical data and calculators, such as interactive periodic table, chemical elements info, chemical reaction balancer, pH, ideal gas, Molecular Weight and mass percent calculators. The applications presents periodic table of chemical elements, that coloured with respect to the category they belong to. (Metals, Halogens, etc..) Each element can be selected and then pressing the “Element” bar button leads to detailed info page. Additionally the app provides calculators, that target the most common chemical tasks: Balancing chemical reaction equations. Estimation pH of strong and weak, monoprotic or polyprotic acid and base solutions. Ideal gas, pV=nRT, calculator with units conversions. Molecular weight and mass composition analysis. Important notes: Reaction Balancer and Molecular Analysis: Molecular formula format: charge, if exists, must be provided as well, separated by coma: Na,+ ; SO4,2- . Application supports state indexes: (g), (s), (l), (aq) – all are lowercase only, placed at the end of the compound formula. Valid examples: Mg(HCO3)2, CaCl2.2H2O, CaCl2*2H2O, (NH4)2Fe(SO4)2.6H2O, Mg(H2PO4)2, C6H12O6, Na, 2+(aq). Analyser is case sensitive. For stoichiometric analysis of chemical reaction please refer to “Stoichiometry”. pH Calculator: Tapping the first field (Acid Strong 1P) will select the type of the analysed acid or base. Acid Strong 1P – Acid monoprotic, that completely dissociates to electrolytes. Acid Weak 1P – Acid monoprotic, which dissociation is dictated by equilibrium constant Ka1. Acid Weak 2P -Acid biprotic, which dissociates by two stages defined by equilibrium constants Ka1 and Ka2. Base Weak 3P -Base triprotic, which dissociates by three stages defined by equilibrium constants Kb1, Kb2 and Kb2. Estimation of solution pH values is based on advanced quantitative chemical analysis which allows simultaneous calculation of all dissociation stages of acids and bases and water dissociation (Kw). The dissociation constants fields accept both formats: 1) pK values (-log(K)) and 2) regular K values, but only in a particular scientific format, which requires inclusion of exponential part “e” (for example: 1e-5 instead of 0.00001, or 2.5e0 instead of 2.5). Empty dissociation constant field would imply that this dissociation step is “strong” or complete. For acid – base titration and indicators please refer to “Acid Base pH”. Ideal Gas calculator: Fill data for all variables, except the one that must be derived. User can choose the most convenient units for input and output variable before calculation, so the output value will be adjusted for the required units. Touching the units field scrools through the available units.

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Mathematics with PocketCAS Pro

PocketCAS is the most advanced mathematics application for iPhone and iPad. It can help you with any kind of math problem, from elementary school all the way up to calculus, algebra and statistics. It can replace your old graphing calculator, help you with your homework, and assist you in any kind of calculation for university or work. This app is an indispensable tool for every student, teacher and engineer. It makes college-level calculus and algebra easy and can help you in a wide range of cases. It provides features comparable with a TI-89 calculator and combines them with a modern, intuitive interface and incredible graphics capabilities. MATHEMATICAL CAPABILITIES - 2D Plots: Quickly create 2D cartesian, implicit, polar or parametric plots. - 3D Plots: PocketCAS draws stunning 3D plots! Supports x-y cartesian plots, parametric area plots and parametric line plots. - Animated plots: Use the variable 'anim' to animate any plot over time. - Calculus: Calculate limits, derivatives, integrals and taylor expansions. - Linear Algebra: Invert and multiply matrices or calculate determinants, eigenvalues and much more! - Algebra: Perform integer and polynomial factorization and division, use permutations, and more. - Solving: PocketCAS will solve almost any equation for you. It even supports systems of linear equations and ordinary differential equations! - Scripting: PocketCAS' C-style scripting language allows you to define custom functions, use conditional expressions, loops and also supports recursion. - Physical Units: Constants and units are provided out of the box. Simply enter physical formulas with the corresponding units and convert results to the units you prefer. ADDITIONAL FUNCTIONALITY - iCloud support: Sync documents between your Mac, iPhone and iPad! - Export: Print or export plots, entries or the whole document as PDF! - Document Import: Load functions and variables from existing documents to re-use your work in other calculations. - CSV Import: Load tabular data in CSV format and process it! - Mathematical keyboard: PocketCAS' mathematical keyboard is unmatched on the App Store. - Help: All functions are explained in the built-in reference. If you're stuck, there's plenty of tutorials as well as a manual (https://pocketcas.com/manual) to get you going. And you can always contact our support (https://pocketcas.com/support) for help! - Offline computation: PocketCAS doesn't need an internet connection to calculate results. USER REVIEWS "This program has an incredible amount of power for such a compact program. I teach high school math, and this program can work with all sorts of expressions, graphs, and help check my work. Definitely worth it!" "You will love this calculator. It's powerful to calculate everything, doesn't matter you're a high school student or college student. Specially for the people who like to solve problems with graphs!" "This app is so powerful and slick looking. It is totally amazing and what it can do." "One of three Apps I use when teaching A Level maths. Have recommended to numerous students. Excellent." "This is one of the best. The CAS capabilities are compatible to only two other apps, and this one is all offline and includes countless additional features. It's never steered me wrong and is the first thing I go to when I'm in a hurry to figure something out. If you're a student this is pretty much as good as it can get." "I am 8 years old and this App is awesome! It helps you learn calculus quickly. It's a work of art!"