Bring Back Casio FX991EX Calculator https://chng.it/mVQKSKjb
In this video we learn how calculation Permutation and and combination using Casio FX115ES PLUS FX 991ES PLUS 2nd Edition
This is the complete explanation with example of all features of this calculator. Nothing is left out. So if you want to know your calculator, watch it fully. You may click/touch the chapters shown beside the time on the player to just to different chapters of this video. This calculator is may be used in SAT tests.

What is the difference between CW and EX calcualtor FX991CW FX991EX and FX570CW and FX579EX :    • Video  

Watch full learning manual for FX991CW and FX570CW:    • CASIO fx991CW fx570CW CLASSWIZ Calc...  

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Tutorial by Ahmad Shamshiri from Canada
#equaser #equaserCasioFX991EX #equaserCalculator

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Chapters of this video touch the time or select chapters form YouTube player:

00:00 Introduction to basics
13:15 Set decimal faction result
26:52 Percentage calculation, discount and commission
29:04 Degree, Minute, Seconds sexagesimal
30:41 Engineering, enter milli, micro μ , kilo in calculation
32:39 Memory Calculation, save value in memory and use it in your calculation
35:32 Sin, Cos, Tan and Inverse calculation with hyperbolic
38:10 DEG, GRA, RAD angle conversion
39:48 Summation calculation
41:04 Evaluate Integral, area under curve with upper and lower bound
44:58 Evaluate Derivatives
45:45 Polar, Rectangular or Cartesian, conversion
47:55 Generating Random numbers
48:00 Rounding
50:24 Permutation and combination nPr and nCr
51:42 QR code generation
52:31 Complex number calculation
59:14 Using CALC evaluating functions
1:01:48 Solving for variables X In an equation
1:04:14 Statistics calculation
1:13:25 Binary, DEC, HEX, OCT conversion and calculation
1:20:43 Polynomial 2nd, 3rd, 4th degree find roots for real and Imaginary
1:31:58 Matrix Determinant, Inverse and other Matrix calculation
1:38:45 Polynomial Inequality Calculation and test
1:41:20 Distribution calculation
1:45:59 Solving ratio
1:48:02 Spreadsheet and using formula
1:59:08 Using Scientific Constants in your calculation
2:01:50 Metric Conversion temperature, speed, length, km/h m/h etc.
2:04:56 Errors
2:05:58 Technical Information
2:08:00 Replacing battery
Vector Calculation dot product cross product:    • Casio Classwiz FX991EX FX87DEX FX5...  
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Watch my other video on this calculator:
https://www.youtube.com/c/Equasercom/...