diff --git a/stringhelpers.c b/stringhelpers.c
new file mode 100644
--- /dev/null
+++ b/stringhelpers.c
@@ -0,0 +1,72 @@
+#include <inttypes.h>
+
+char* itoa(int16_t i, char b[]){
+
+    char const digit[] = "0123456789";
+    char* p = b;
+    if(i<0){
+        *p++ = '-';
+        i *= -1;
+    }
+    uint16_t shifter = i;
+    do{ //Move to where representation ends
+        ++p;
+        shifter = shifter/10;
+    }while(shifter);
+    *p = '\0';
+    do{ //Move back, inserting digits as you go
+        *--p = digit[i%10];
+        i = i/10;
+    }while(i);
+    return b;
+}
+
+char* itoa_fp(int16_t i, uint8_t frac, char b[]){
+    char const digit[] = "0123456789";
+
+    // set p to beginning of char array
+    char* p = b;
+
+    // If negative, set current char to '-' and inc, unnegate number
+    if(i<0){
+        *p++ = '-';
+        i *= -1;
+    }
+
+    // Init shifter to numeric value
+    uint16_t shifter = i;
+    uint16_t frac_shifter = frac;
+
+    // Iterate through 10s places, incrementing text pointer as we go
+    do{ 
+        ++p;
+        shifter = shifter/10;
+    }while(shifter);
+    
+    ++p; // increment for decimal point
+
+    do{
+        ++p;
+        frac_shifter = frac_shifter/10;
+    }while(frac_shifter);
+        
+
+    // Null-terminate the string
+    *p = '\0';
+
+    // Go backwards and write out fractional digits 
+    do{ 
+        *--p = digit[frac%10];
+        frac = frac/10;
+    }while(frac);
+
+    *--p = '.'; // insert decimal point
+
+    // Go backwards and write out remaining digits 
+    do{ 
+        *--p = digit[i%10];
+        i = i/10;
+    }while(i);
+    return b;
+}
+