Tutorial: How to build a calculator (Delphi DX 10.2.2 Tokyo) on Windows

DISCLAIMER: This video is boring to the average YouTube viewer.

We build a small calculator. We bypass many common techniques. We use the “secret sources”. With 11 lines of code you are done.

IScope, ICompiledBinding, Evaluate, GetValue, BasicOperators, Compile

#FireMonkey #Delphi #ILoveDelphi

Curso delphi fundamental para iniciantes usando a versão FireMonkey do delphi.


Vladimir Silvestre Felix says:

Very Good!! Excellent!!

Tính Nguyễn says:

Hello, I have a question , please help me
I want write a record to binary file,
On record have a pointer.
for example:
Tstudent = Record
MaSV : String[20];
TenSV : String[30];
SoDT : String[20];
DiaChi : String[50];
TListMySt = record
Data: array of Tstudent;
TData = Record
_sum : Integer;
_ArrStudent : ^TListMySt;
I write TData to file , but only check file only write complete _sum,
how to write complete _ArrStudent .
Thank very much.

YASCUB Delphi says:

Thanks You for this secret sources

Sr Nada says:

how you change the thema in delphi?

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