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Access Expert Level 26

Expert Microsoft Access Tutorial - 1 Hour, 41 Minutes
Access Expert 26 is Part 2 of our Comprehensive Guide to Access Functions. In today's class we will focus on Math and Type Conversion Functions. You will learn a bunch of new functions, and new tricks with some of the functions we've covered before. You will learn multiple functions for properly rounding numbers, use trigonometry to calculate the height of a building, display random customer records, build a dice roller, and much more. Topics include:
  - Math Functions
  - Abs, Sgn, Round, Int, Fix, Val
  - Sqr, Exp, Log, Natural Logarithms

  - Calculate Pi, Degrees to Radians
Trig Functions: Sin, Cos, Tan, Atn
  - Mod, Integer Division, Is Divisible
  - Random Numbers: Dice Roller
  - Display Random X Records

  - Type Conversion Functions
  - CInt, CLng, CStr, CDate, CCur, etc.

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If you would like a preview of what's covered in this class,
click here to watch the first and last lessons of this course (free of charge), or scroll down for more information.


Access Expert Level 26
Description: Access Expert Level 26
Versions: This class was recorded with Microsoft Access 2013. The material is valid for Access 2007 up to 2021. Access has not changed that much over the years.
Pre-Requisites: Access Expert Level 25 recommended, as you should watch all of my classes in order. However, if you're skipping around, you should have at least completed the Beginner series and the first 3 or 4 levels of the Expert series where I start to cover functions.
Running Time: 1 Hour, 41 Minutes
Cost: $29.99

We have covered some of these functions in previous classes, however in this Comprehensive Guide to Access Functions we will cover those in a lot more detail, plus learn many new functions. Today we will be learning about Math and Type Conversion functions. We will beging by learning about the Abs (absolute value) and Sgn (sign) functions. We'll cover the Round function in a lot more detail, and we'll review Banker's Rounding (Round to Evens). We'll learn how to round to the nearest multiple of X (so, for example, round to the nearest 10 or 500). We'll learn how to use the Val function to pull the numeric digits from a text string, and how to convert from hexadecimal to decimal.

math functions abs sgn round int fix val


Next we will learn about the Sqr (square root), Exp (exponential), and Log (natural logarithm) functions. You will learn how to raise a number to a power. You will learn about the mathematical constant e  (Euler's Number) and how to calculate logarithms in any base (including 10, 2, and e).

math functions sqr exp log logarithm


Next we will learn about the trigonometric functions Sin, Cos, Tan, and Atn. Access does not give us a function for Pi (3.14) so we will learn how to calculate it using the Atn function. We will learn how to convert degrees to radians (and vice versa). We will use our newfound knowledge of trig to calculate the height of a building knowing only the distance to the building and the angle to the top of the building.

math functions trigonometry sin cos tan atn pi


We will learn about the Mod (modulus) function and integer division. We'll learn how to determine if a number is divisible by X (for example, by 3 or 7). Next we will learn about the Rnd function and how to use it to generate random numbers. We will build a simple dice roller form where we can generate three random dice rolls (of any sized die) and add them up.

math functions rnd random numbers dice roller


We can then use these random number techniques to do all kinds of useful things. For example, I'll show you how to create order/invoice codes that consist of random numbers, or generate a list of X random employees (let's say each month you want to conduct three random employee reviews). These techniques will work for any kind of random number scenario.

random employee review


Finally, we will learn about the Type Conversion functions. These allow us to convert from one data type to another. They've very handy when importing values and they come in as text values, but you want to convert them into proper Access data types (currency, date, etc.)

type conversion functions cint clng cdbl cstr cdate ccur


This is the 26th class in the Access Expert series. This is the second class in my Comprehensive Function Guide series. If you're serious about building quality databases with Access, don't miss out on this course. Of course, if you have any questions about whether or not this class is for you, please contact me.


Complete Outline - Access Expert Level 26

00. Intro (06:20)

01. Math Functions 1 (27:09)
Abs - Absolute Value
Sgn - Sign
Postive, Negative, Zero
Banker's Rounding
Round to Evens
Don't Want Banker's Rounding
Round to Nearest Multiple
Int - Round to Integer
Fix - Negative Int Rnd Up
Cint - Convert to Integer
Val - String to Number
Val to Convert HEX to DEC
Remove Thousands Separator
Power of Tens: 2E14

02. Math Functions 2 (12:16)
Sqr - Square Root
e - Euler's Number
Mathematical Constant
Exp - Exponential
^ Number to Power
Log - Natural Logarithm
Calculate Log of Any Base

03. Math Functions 3 (11:40)
Calculating PI
Inverse Functions Missing
Degrees to Radians
Radians to Degrees
Sin, Cos, Tan, Atn
Calculate Building Heights
04. Math Functions 4 (29:21)
Mod - Modulus
\ - Integer Division
Is Number Divisible By X
Rnd - Random Numbers
Dice Roller Form
Reroll Button
Requery Macro Command
Display Random Records
Open a Random Customer
Semi-Random Customer Codes

05. Type Conversion (9:42)
CBool - Boolean
CByte - Byte
CCur - Currency
CDate - Date
CDbl - Double
CDec - Decimal
CInt - Integer
CLng - Long Integer
CSng - Single
CStr - String
CVar - Variant

06. Review (5:11)


Keywords: Comprehensive Function Guide, Math Functions, Type Conversion Functions, microsoft access tutorial, microsoft access tutorial, microsoft access training, access 2007, access 2010, access 2013, Abs, Sgn, Round, Int, Fix, Val, Sqr, Exp, Log, Sin, Cos, Tan, Atn, Rnd, Random, Pi, Radians, Degrees, Dice Roller, CInt, CLng, CDbl, CDate, CStr, CCur, CBool, CByte, CSng, CVar


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