Like I continually mention, do not skim through this article, read cautiously and understand.
It's vital to take notice that we're going to be the use of WAEC's Kapek® calculator which is pretty unique from the regular clinical calculator.
When working, from time to time there's is a need for storing our solutions in order to perform another calculation.
#1 type in ur answer.
#2 press the shift button.
#3 press the RCL(STO) button accompanied by means of the (-) button.
The calculator will show a message displaying that the operation become successful.
You can save multiple data, repeat the stairs above again. This time use the °•,,, button instead of (-).
Retrieving stored data
Saving is useless if there's no way to retrieve our data. It's like teaching a beginner how to fly and now not coaching him a way to land.
To view your saved data, truly press the RCL(STO) button observed by means of the (-) key.
Sometimes we need to remedy indices with a energy extra than three. For instance, 10⁴ to do this virtually press the 10 ^ four. Check the image under to see where you can find the ^ key.
Working with fractions
I often see college students convert fractions to decimals earlier than they can clear up it with the calculator, a few prefer the usage of a divide which could make your work messy.
One manner to do this is to use the ab/c key.
For example if you want to kind 7⅓ , observe this sample 7 > ab/c >1> ab/c > 3. The calculator is not a natural show, it will seem like this 7>1>3. You can also convert decimals to fractions the usage of the identical key.
The alpha key is not available on the Kapek® calculator. However, it's miles still viable to type the alphabet. Press the RCL(STO) button followed with the aid of any of the buttons within the yellow circle under.
You don't ought to press your calculator on every occasion you want to check if a specific wide variety is divisible by using any other. It slows down your paintings.
#1 Divisible by way of 2 - the variety will give up with an even wide variety or 0.
#2 Divisible with the aid of three - add all of the digits of the number, if the sum is divisible by means of three then it's far a factor.
#three Divisible via four - the closing digits of the range may be divisible by way of four.
#4 Divisible via 5 - the wide variety will give up with 0 or 5
#five Divisible through 6 - A wide variety is divisible by using 6 if it's miles even and if the sum of its digits is divisible by 3.
#6 Divisible via 8 - the last three digits of the number might be divisible via 8.
#7 Divisible through 9 - the sum of the digits of the wide variety might be divisible by 9
#8 Divisible by using 10 - the wide variety will cease with 0.
Conversion of units
With this simple trick, you don't have to cram your dimension table. For instance, if you need to convert kilometer to a meter. This is not not unusual in mathematics however it's far very beneficial with regards to physics.
The technique is referred to as King Herod's Daughter.
#1 write down the acronym KHDMDCM at the back of your word.
#2 One way to cram the acronym is to say it like this "King Herod Daughter Must Die Cooking Meat".
#three K method Kilo, H method Hecto, D approach Deca, M approach Meter or gram while measuring weight and liter went measuring volume, the second one D way Deci, C way centi and the second one M method milli.
Let's say you want to transform 1 kilometer to meter, write 1 underneath the K, and write zero to the rest until it reaches the M. This shows that 1000m make 1kg.
Check the image beneath for clarity;
The greater you practice, the quicker you become.
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