BASIC - Programming Language 4+
Let's Code !
俊 姜
Designed for iPad
-
- USD 3.99
Screenshots
Description
BASIC: THE FEELING OF THE GOOD OLD TIMES !
10 INPUT A
20 B = SIN(A)
30 PRINT "ANSWER: ", B
40 END
BASIC USER'S GUIDE:
• PRINT
10 PRINT "HELLO WORLD !"
20 END
• INPUT
10 INPUT “A=”, A
20 PRINT A
30 END
• IF...THEN...
Number Comparison:
10 INPUT A
20 IF A>90 THEN B=“A”
30 PRINT B
40 END
Conditional Operators:
> greater than
< less than
>= greater than or equal to
=> equal to or greater than
<= less than or equal to
=< equal to or less than
= equal to
== equal to
<> not equal to
!= not equal to
THEN can be followed by GOTO, GOSUB, INPUT, PRINT.
String Comparison:
10 INPUT A
20 IF A=“TOM” THEN PRINT “BOY”
30 END
Conditional Operators:
= is
== is
<> is not
!= is not
• FOR...NEXT...
10 FOR I=1 TO 4 STEP 2
20 PRINT “HELLO”, I
30 NEXT I
40 END
STEP specifies the counter increment for each loop. If STEP doesn’t exit, the default increment is 1.
FOR...NEXT... loop can be nested.
10 FOR I=1 TO 5
20 FOR J=1 TO 4
30 PRINT I, J
40 NEXT J
50 NEXT I
60 END
• GOTO
10 ...
20 ...
30 ...
40 GOTO 10
50 ...
• GOSUB
10 PRINT “H”
20 GOSUB 100
30 PRINT “L”
40 END
100 PRINT “A”
110 RETURN
• SOUND
10 SOUND C, M, 0.5
The line 10 plays Middle C piano note for 0.5 seconds.
Note: C, C#, D, D#, E, F, F#, G, G#, A, A#, B
Pitch Range: L (low), M (middle), H (high)
Lasting Time: specifies how long a note lasts.
C, D, E, F, G, A, B can also be labeled as 1, 2, 3, 4, 5, 6, 7. (C# as 1#).
• TEXT
10 TEXT “HELLO”, x, y, size
(x,y): position of the string “HELLO”.
• CIRCLE
10 CIRCLE x, y, radius
(x,y): the center of the circle.
• RECTANGLE
10 RECT x, y, width, height
(x,y): top-left point of the rectangle.
• LINE
10 LINE x1, y1, x2, y2
(x1,y1): the starting point of the line.
(x2,y2): the ending point of the line.
• POINT
10 POINT x, y
(x,y): the position of the point.
• CLR: clear the edit window.
• CLS: clear the graph window.
• DELAY
10 DELAY 0.5
0.5:lasting time in seconds
This function is used to suspend execution of a program for a particular time.
• CURVE
10 CURVE x, y, radius, 0, PI
0: starting angle
PI: ending angle
The curve draws clockwise with center (x,y).
• Mathematical Functions:
SIN(X), COS(X), TAN(X), COT(X),
ASIN(X), ACOS(X), ATAN(X),
SINH(X), COSH(X), TANH(X),
ASINH(X), ACOSH(X), ATANH(X).
SQR(X): square root of x.
ABS(X): absolute value of x.
FCT(X): x factorial.
LOG(X): natural logarithm of x.
LOG10(X): base-10 logarithm of x.
LOG2(X) :base-2 logarithm of x.
EXP(X): base-e exponential of x.
ERF(X): the error function of x.
ERFC(X): the complementary error function of x.
ROUND(X) :integral nearest to x.
CEIL(X): the smallest integral that is not less than x.
FLOOR(X): the largest integral that is not greater than x.
TGAMMA(X): the gamma function of x.
LGAMMA(X): the natural logarithm of the absolute value of the gamma function of x.
• Reserved Variables:
INKEY : once a key is pressed, the value of INKEY changes.
RND : a random number.
PI : π
• Some Tips:
1. Undo & Redo typing on iPhone with a shake.
2. Copy an Emoji or some character from other places (like Notes), then paste them on the edit window.
3. Exponentiation is expressed as X^Y.
What’s New
Version 1.5
Compatible with more iOS devices.
App Privacy
The developer, 俊 姜, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary based on, for example, the features you use or your age. Learn More
Information
- Provider
- 俊 姜
- Size
- 31.9 MB
- Category
- Education
- Compatibility
-
- iPhone
- Requires iOS 9.0 or later.
- iPad
- Requires iPadOS 9.0 or later.
- iPod touch
- Requires iOS 9.0 or later.
- Mac
- Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
- Apple Vision
- Requires visionOS 1.0 or later.
- Languages
-
English
- Age Rating
- 4+
- Copyright
- © 2022 Jun Jiang
- Price
- USD 3.99
Supports
-
Family Sharing
Up to six family members can use this app with Family Sharing enabled.