A new Simple Interest Calculator

Here it is.

``````--This was made by Adam9812. It is public domain.

--Interest Calculator 1.9.1

function setup()
print("Principle: Starting Number")
print("Rate: Rate interest is added or subtracted per year.")
print("Time: Time passed in Years.")
print("Simple: Whether simple or compound interest is calculated.")
print("Compoundrate: The amount of time interest is compounded per year.(Only matters if simple is false)")

interest = 0
parameter.number("principle",.01,10000,1)
parameter.number("rate",.01,1,.5)
parameter.number("time",1,100,5)
parameter.boolean("simple",true)
parameter.number("compoundrate",1,12,1)

parameter.watch("interest")

end

function draw()
background(192, 192, 209, 255)
if simple then
interest = principle * rate * time
else
interest = principle * ((1 + rate/compoundrate) ^ (compoundrate* time) - 1)
end
fill(0, 0, 0, 255)
font("AmericanTypewriter-Light")
fontSize(90)
str=string.format("Total: %.2f",principle+interest)
text(str,WIDTH/2,HEIGHT - 90)
end
``````

@dave1707 that link has some permission problems

Here is another version. The text is way smaller so it won’t go off the page when you mess around with the numbers on compound mode.

``````--This was made by Adam9812. It is public domain.

--Interest Calculator 1.9.2

function setup()
print("Principle: Starting Number")
print("Rate: Rate interest is added or subtracted per year.")
print("Time: Time passed in Years.")
print("Simple: Whether simple or compound interest is calculated.")
print("Compoundrate: The amount of time interest is compounded per year.(Only matters if simple is false)")

interest = 0
parameter.number("principle",.01,10000,1)
parameter.number("rate",.01,1,.5)
parameter.number("time",1,100,5)
parameter.boolean("simple",true)
parameter.number("compoundrate",1,12,1)

parameter.watch("interest")

end

function draw()
background(192, 192, 209, 255)
if simple then
interest = principle * rate * time
else
interest = principle * ((1 + rate/compoundrate) ^ (compoundrate* time) - 1)
end
fill(0, 0, 0, 255)
font("AmericanTypewriter-Light")
fontSize(28)
str=string.format("Total: %.2f",principle+interest)
text(str,WIDTH/2,HEIGHT - 90)
end
``````