diff --git a/ev_limits.h b/ev_limits.h
new file mode 100644
index 0000000..28e4b51
--- /dev/null
+++ b/ev_limits.h
@@ -0,0 +1,83 @@
+#ifndef EV_HEADERS_LIMITS_H
+#define EV_HEADERS_LIMITS_H
+
+#include "ev_types.h"
+
+struct Int8Data  { i8  MIN; i8  MAX; };
+struct Int16Data { i16 MIN; i16 MAX; };
+struct Int32Data { i32 MIN; i32 MAX; };
+struct Int64Data { i64 MIN; i64 MAX; };
+
+struct UInt8Data  { u8  MIN; u8  MAX; };
+struct UInt16Data { u16 MIN; u16 MAX; };
+struct UInt32Data { u32 MIN; u32 MAX; };
+struct UInt64Data { u64 MIN; u64 MAX; };
+
+struct Float32Data { f32 MIN; f32 MAX; f32 MIN_POS; f32 EPS; };
+struct Float64Data { f64 MIN; f64 MAX; f64 MIN_POS; f64 EPS; };
+
+static const struct Int8Data  Int8 = 
+{
+  .MIN = -128,
+  .MAX =  127
+};
+
+static const struct Int16Data Int16 =
+{
+  .MIN = -32767-1,
+  .MAX =  32767
+};
+
+static const struct Int32Data Int32 =
+{
+  .MIN = -2147483647-1,
+  .MAX =  2147483647
+};
+
+static const struct Int64Data Int64 =
+{
+  .MIN = -(9223372036854775807LL)-1,
+  .MAX =  9223372036854775807LL
+};
+
+static const struct UInt8Data  UInt8 =
+{
+  .MIN = 0,
+  .MAX = 255
+};
+
+static const struct UInt16Data UInt16 =
+{
+  .MIN = 0,
+  .MAX = 65535
+};
+
+static const struct UInt32Data UInt32 =
+{
+  .MIN = 0,
+  .MAX = 4294967295U
+};
+
+static const struct UInt64Data UInt64 =
+{
+  .MIN = 0,
+  .MAX = 18446744073709551615ULL
+};
+
+static const struct Float32Data Float32 =
+{
+  .MIN_POS =  1.175494351e-38,
+  .MIN     = -3.402823466e+38,
+  .MAX     =  3.402823466e+38,
+  .EPS     =  1.192093e-07
+};
+
+static const struct Float64Data Float64 =
+{
+  .MIN_POS =  2.2250738585072014e-308,
+  .MIN     = -1.7976931348623158e+308,
+  .MAX     =  1.7976931348623158e+308,
+  .EPS     =  2.2204460492503131e-016
+};
+
+#endif // EV_HEADERS_LIMITS_H
diff --git a/ev_types.h b/ev_types.h
new file mode 100644
index 0000000..ef2a0f2
--- /dev/null
+++ b/ev_types.h
@@ -0,0 +1,20 @@
+#ifndef EV_HEADERS_TYPES_H
+#define EV_HEADERS_TYPES_H
+
+// Signed integers
+typedef signed char   i8;
+typedef short int     i16;
+typedef int           i32;
+typedef long long int i64;
+
+// Unsigned integers
+typedef unsigned char          u8;
+typedef unsigned short int     u16;
+typedef unsigned int           u32;
+typedef unsigned long long int u64;
+
+// Floating-Point Numbers
+typedef float  f32;
+typedef double f64;
+
+#endif // EV_HEADERS_TYPES_H